Silver Colloid is da bomb for keeping flowers and veggies fresh. Potting soil gets moldy without Silver Colloid, true. If anybody has allergies this is vital. I haven't tried the foot freshener or throat spray, sounds great. Hey, there is a new line of bandaid that contains silver! Seen it? This is a vital step--COVERING AND DISINFECTING EVEN MINOR CUTS--in preventing the propagation of the flesh-eating bugs that are becoming relatively widespread.